Enter "BODYSWAP" as a password. Then while playing the game, press Triangle to switch characters.

Special weapons

Enter "OTTOFIRE" as a password. This allows access to special weapons that never run out of power.

Restart without quitting

Enter "INANDOUT" as a password. This allows you to quit in mid game and return to the level selection screen to continue or restart on another levels. To return to the main screen, repeat the quit procedure on the level selection screen.

Pinball screen

Enter "TOMMYBOY" as a password. Then, finish a level to reach a pinball screen. Alternatively, enter "KNCACKDE" as a password. Note: This cannot be combined with the "Bonus screen" code.

Bonus screen

Enter "CASHDASH" as a password. Then, finish a level to reach a bonus screen. Note: This cannot be combined with the "Pinball screen" code.